CN103084227B - Chemical experiment device for magnetic composite particle suspension isolation procedures - Google Patents
Chemical experiment device for magnetic composite particle suspension isolation procedures Download PDFInfo
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- 239000000725 suspension Substances 0.000 title claims abstract description 18
- 238000002474 experimental method Methods 0.000 title claims abstract description 17
- 239000000126 substance Substances 0.000 title claims abstract description 12
- 238000002955 isolation Methods 0.000 title claims abstract description 7
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- 239000000463 material Substances 0.000 claims abstract description 23
- 239000002131 composite material Substances 0.000 claims abstract description 4
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- 229910001047 Hard ferrite Inorganic materials 0.000 claims description 5
- 229910001172 neodymium magnet Inorganic materials 0.000 claims description 5
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Abstract
本发明涉及一种针对磁性复合微粒悬浊液离析程序的化学实验用装置，属于分析测试领域。分析化学实验室中现有的惯常的针对磁性复合微粒悬浊液的离析用装置过于简陋，以至于影响到了相关离析操作的便捷性，本案针对该问题。本案用其相互粘搭状态易于拆解的两条粘扣带一左一右地从两侧连接内含永磁体的柔性材质的兜状的永磁体封装袋，将它束缚定位在非磁性容器侧壁外表面上，其附着形态的轮廓状似腰包；如此，在以磁场离析捕集剂的整个操作过程中，免除了相关分析实验操作人员用手拿捏、按压定位滑溜的永磁体这样一种紧张度较高的动作；应用本案装置，相关分析实验人员可以相对放松地进行相关磁性复合微粒悬浊液离析操作。
The invention relates to a chemical experiment device for the separation procedure of magnetic composite microparticle suspension, which belongs to the field of analysis and testing. The existing customary isolation devices for magnetic composite particle suspensions in analytical chemistry laboratories are too simple to affect the convenience of related isolation operations. This case addresses this problem. In this case, two Velcro tapes, which are easily disassembled, are used to connect the pocket-shaped permanent magnet packaging bag of flexible material containing permanent magnets from both sides, and bind it to the side of the non-magnetic container. On the outer surface of the wall, the outline of its attachment form is like a waist bag; in this way, during the whole operation process of isolating the trapping agent with a magnetic field, the relevant analysis experiment operators are relieved of the tension of holding and pressing the slippery permanent magnet with their hands. With the application of the device in this case, the relevant analysis and experiment personnel can perform the separation operation of the relevant magnetic composite particle suspension in a relatively relaxed manner.
Description
技术领域technical field
本发明涉及一种针对磁性复合微粒悬浊液离析程序的化学实验用装置，属于分析测试领域。The invention relates to a chemical experiment device for the separation procedure of magnetic composite microparticle suspension, which belongs to the field of analysis and testing.
背景技术Background technique
在分析测试实验工作中，针对水体分析对象，以微米级或纳米级的磁性复合微粒捕集剂吸附目标物，而后用永磁体分离吸附了目标物的磁性复合微粒捕集剂，再经洗脱程序从该吸附了目标物的磁性复合微粒捕集剂中分离出目标物，供其后的仪器分析进样使用，这是目前蓬勃发展之中的一种很有效率的仪器分析备样手段。In the analysis and test experiment, for the water body analysis object, the target is adsorbed by the magnetic composite particle trap of micron or nanometer scale, and then the magnetic composite particle trap that has adsorbed the target is separated by a permanent magnet, and then eluted The program separates the target substance from the magnetic composite particle trap adsorbed on the target substance for subsequent instrumental analysis sample injection. This is a very efficient means of instrumental analysis sample preparation under vigorous development at present.
所述备样手段也可表达为前处理手段。The sample preparation means can also be expressed as a pretreatment means.
以分析测试为目的的所述仪器分析备样手段，通常只涉及数十毫克至数克的微米级或纳米级的磁性复合微粒捕集剂，涉及的水体分析对象其体积通常也只有数百毫升至数升的量。The instrumental analysis sample preparation method for the purpose of analysis and testing usually only involves tens of milligrams to several grams of micron-scale or nano-scale magnetic composite particle trapping agents, and the volume of the water body analysis object involved is usually only a few hundred milliliters to several liters.
微米级或纳米级的磁性复合微粒捕集剂分散于水体分析对象之中，形成悬浊液，以永磁体靠近盛放该悬浊液的非磁性容器，由于磁场的作用，悬浊液中的磁性复合微粒捕集剂携带其所捕集的目标物一起向强磁场区域移动、聚集，这一移动、聚集过程持续约数十秒至数分钟时间；本案所关注的问题就出现在这一捕集剂离析操作环节：目前了解到的情况是，相关分析实验操作人员几乎清一色地仅仅是将裸的无任何附加装备的永磁体用手拿捏着去贴紧所述非磁性容器，在整个的捕集剂离析操作过程中一直如此，在其后的余液的倾倒、排出操作过程中，也是如此，即，一手拿捏、按压永磁体，另一只手把握所述非磁性容器，以一种相对紧张的操作姿态进行余液的倾倒、排出动作。所述非磁性容器通常是数百毫升至数升容量的玻璃烧杯，在上述的包括余液倾倒的整个捕集剂离析操作过程中，用手将硬质、光滑的永磁体按压在同样是光滑的玻璃之类容器壁面上，同时进行所述余液倾倒动作，其操作紧张度是显而易见的。倘若长期从事这种类型的需要绷紧神经的操作，那么，它将对相关分析实验人员的身心健康造成隐性的损害。The micron-scale or nano-scale magnetic composite particle collector is dispersed in the water body analysis object to form a suspension, and a permanent magnet is used to approach the non-magnetic container holding the suspension. Due to the effect of the magnetic field, the suspension in the suspension The magnetic composite particulate trapping agent moves and gathers together the target objects it captures to the strong magnetic field area, and this moving and gathering process lasts from tens of seconds to several minutes; Segregation agent segregation operation: According to what we have learned so far, the relevant analysis experiment operators are almost all just holding the bare permanent magnet without any additional equipment to stick to the non-magnetic container by hand. This is always the case during the collection agent separation operation, and it is also the same during the subsequent pouring and discharging of the remaining liquid, that is, hold and press the permanent magnet with one hand, and hold the non-magnetic container with the other hand, and use a relative Perform the dumping and discharging of the remaining liquid with a tense operating posture. The non-magnetic container is usually a glass beaker with a capacity of hundreds of milliliters to several liters. During the above-mentioned entire trapping agent separation operation including the dumping of the residual liquid, the hard and smooth permanent magnet is pressed by hand on the same smooth surface. On the wall of containers such as glass, the residual liquid is poured at the same time, and the tension of the operation is obvious. If you engage in this type of operation that requires tense nerves for a long time, it will cause hidden damage to the physical and mental health of the relevant analysis experimenters.
因此，如何改善相关化学实验中磁性复合微粒悬浊液离析环节的操作便捷性，是一个值得关注的问题。Therefore, how to improve the convenience of operation in the separation of magnetic composite particle suspension in related chemical experiments is a problem worthy of attention.
所涉磁性复合微粒捕集剂其在分析测试领域中的研发及应用，作为一例，可以参见申请号为201210099400.3的中国发明专利申请案。The development and application of the magnetic composite particle trapping agent in the field of analysis and testing, as an example, can be found in the Chinese invention patent application with application number 201210099400.3.
关于磁性复合微粒捕集剂其在分析测试领域中的研发及应用，还可参见以下论文资料：ZhangSX，NiuHY，CaiYQ，etal.BariumalginatecagedFe3O4C18magneticnanoparticlesforthepre-concentrationofpolycyclicaromatichydrocarbonsandphthalateestersfromenvironmentalwatersamples[J].AnalyticaChimicaActa，2010，665：167-175.Regarding the development and application of magnetic composite particle collectors in the field of analysis and testing, you can also refer to the following papers: ZhangSX, NiuHY , CaiYQ , et al. 167-175.
发明内容Contents of the invention
本发明所要解决的技术问题是，针对上述化学实验中磁性复合微粒悬浊液离析环节操作不够便捷的现状，研发一种有助于解决该问题的适用于化学实验室的磁性复合微粒悬浊液离析用装置。The technical problem to be solved by the present invention is to develop a kind of magnetic composite particle suspension suitable for chemical laboratories that helps to solve the problem in view of the current situation that the separation of the magnetic composite particle suspension in the above chemical experiment is not convenient enough. Separation device.
本发明通过如下方案解决所述技术问题，该方案提供一种针对磁性复合微粒悬浊液离析程序的化学实验用装置，该装置其结构组件包括桶状、杯状或瓶状的非磁性容器，所述非磁性容器其材质是玻璃、陶瓷、塑料或不锈钢，以及，板状、块状、条状、圆片状、圆柱状、饼状或环状的永磁体，该永磁体是钕铁硼永磁体或硬磁铁氧体永磁体，重点是，该装置的结构还包括柔性材质的永磁体封装袋，该永磁体封装袋是袋状物或兜状物，该永磁体封装袋上开设有用于向该永磁体封装袋内部填塞永磁体的袋口，所述永磁体是填塞装设在该永磁体封装袋的内部，以及，两条粘扣带，该永磁体封装袋的两侧各连接一条所述粘扣带，每一条的所述粘扣带其与永磁体封装袋进行连接的部位是在该粘扣带的一个端头，该两条粘扣带的其余部分似两臂般环绕合抱在所述非磁性容器的侧壁外表面上，该两条粘扣带并且相互粘搭，所述粘扣带又名钩毛搭扣带，相互粘搭的该两条粘扣带其拖拽力量致使所述永磁体封装袋紧贴在该非磁性容器的侧壁外表面上，该两条粘扣带的功能之一是将所述永磁体封装袋连同其内容物约束定位在该非磁性容器的侧壁外表面上，该两条粘扣带的功能之二是赋予该装置结构拆装两便的机动性能，环绕地贴附装设在所述非磁性容器侧壁外表面上的该两条粘扣带连同与该两条粘扣带结合在一起的所述永磁体封装袋其整体轮廓状似腰包，该永磁体封装袋连同它的内容物能够随着所述粘搭其状态的解除而与该两条粘扣带一起被一并从非磁性容器侧壁外表面上移除。The present invention solves the technical problem through the following scheme, which provides a chemical experiment device for the isolation procedure of magnetic composite particle suspension, and the structural components of the device include a barrel-shaped, cup-shaped or bottle-shaped non-magnetic container, The material of the non-magnetic container is glass, pottery, plastic or stainless steel, and a plate-shaped, block-shaped, strip-shaped, disc-shaped, cylindrical, pie-shaped or ring-shaped permanent magnet, the permanent magnet is NdFeB Permanent magnets or hard ferrite permanent magnets, the point is that the structure of the device also includes a permanent magnet packaging bag of flexible material, the permanent magnet packaging bag is a bag or pocket, and the permanent magnet packaging bag is opened for Stuffing the mouth of the permanent magnet into the permanent magnet packaging bag, the permanent magnet is stuffed and installed in the permanent magnet packaging bag, and two Velcro tapes, each connected to one on both sides of the permanent magnet packaging bag As for the Velcro, each of the Velcro is connected to the permanent magnet packaging bag at one end of the Velcro, and the rest of the two Velcro wrap around like two arms On the outer surface of the side wall of the non-magnetic container, the two Velcro strips are also glued to each other. The Velcro strips are also known as hook and loop fastener strips. The force causes the permanent magnet packaging bag to cling to the outer surface of the side wall of the non-magnetic container. One of the functions of the two hook and loop fasteners is to constrain the permanent magnet packaging bag together with its contents to be positioned on the non-magnetic container. On the outer surface of the side wall of the container, the second function of the two Velcro tapes is to endow the device with the mobility of disassembling and assembling, and to attach and install the non-magnetic container on the outer surface of the non-magnetic container. The overall profile of the two Velcro strips and the permanent magnet packaging bag combined with the two Velcro strips is like a waist bag. Released and removed together with the two hook and loop fasteners from the outer surface of the non-magnetic container side wall.
所述柔性材质一词其本身的技术含义是公知的。The technical meaning of the term flexible material itself is well known.
能够被选择用于制备所述永磁体封装袋的柔性材料种类繁多，可以根据需要任意选定。所涉柔性材料市场有售。There are many types of flexible materials that can be selected for preparing the permanent magnet packaging bag, and can be selected arbitrarily according to needs. The flexible materials involved are commercially available.
所述粘扣带一词其本身的技术含义对于粘扣带制造业的专业人员而言是公知的。The technical meaning of the term hook and loop is well known to professionals in the hook and loop manufacturing industry.
优选的粘扣带，是具有松紧弹性的松紧粘扣带。该具有松紧弹性的松紧粘扣带市场有售。所述松紧弹性不是必需的。The preferred Velcro is an elastic Velcro with elastic elasticity. The elastic hook and loop fastener with elastic elasticity is available on the market. The elastic elastic is not necessary.
所述永磁体可以是所列举的任何一种形状的永磁体，其磁化方向可以是任何选定的磁化方向，其材质可以是钕铁硼永磁体或硬磁铁氧体永磁体中的任何一种。The permanent magnet can be a permanent magnet of any shape listed, its magnetization direction can be any selected magnetization direction, and its material can be any one of NdFeB permanent magnets or hard ferrite permanent magnets .
所述非磁性容器可以是所列举的任何一种材质的非磁性容器，所述非磁性容器可以是所列举的任何一种形状的非磁性容器，但是，优选的该非磁性容器是玻璃烧杯。The non-magnetic container can be a non-magnetic container of any material listed, and the non-magnetic container can be a non-magnetic container of any shape listed, however, the non-magnetic container is preferably a glass beaker.
为更好地达成本案目标，还可以在该永磁体封装袋的朝向非磁性容器的那个面上贴附装设橡胶膜或涂装弹性涂料层，该橡胶膜或弹性涂料层的的厚度介于0.5毫米与3.0毫米之间，该橡胶膜或弹性涂料层的功能是增加摩擦阻力并藉此遏制永磁体封装袋其滑动移位。In order to better achieve the goal of this project, a rubber film or an elastic paint layer can be installed on the surface of the permanent magnet packaging bag facing the non-magnetic container. The thickness of the rubber film or elastic paint layer is between Between 0.5 mm and 3.0 mm, the function of the rubber film or elastic paint layer is to increase frictional resistance and thereby restrain the sliding displacement of the permanent magnet packaging bag.
所涉橡胶膜以及弹性涂料等材料市场有售。Materials such as rubber membranes involved and elastic coatings are available on the market.
本案所述非磁性一词在这里指的是其材质对于磁场的穿透没有严重的阻碍，而不是说其材质对磁场没有任何量级的响应。The term non-magnetic in this case refers to the fact that the material has no serious hindrance to the penetration of the magnetic field, rather than that the material has no magnitude of response to the magnetic field.
永磁体封装袋的袋口可以采取多种方式进行封闭，所述封闭方式例如：拉链封闭方式、粘搭封闭方式或搭扣封闭方式。The mouth of the permanent magnet packaging bag can be closed in various ways, such as: zipper closure, adhesive closure or buckle closure.
本案该装置其组件还可以包括一些附件，所述附件例如：用于观察磁性捕集剂吸附运作进程终点的专用照明灯具，如射灯等；所述附件还例如：用于确定磁性捕集剂吸附运作进程终点的计时钟表，如定时闹钟等；所述附件更例如：与倾液操作配合使用的玻璃棒等；所述附件不是必需的。In this case, the components of the device can also include some accessories, such as: special lighting fixtures for observing the end of the magnetic trapping agent adsorption operation process, such as spotlights; A timer clock at the end of the adsorption operation process, such as a timing alarm clock; the accessories are more for example: glass rods used in conjunction with the liquid pouring operation; the accessories are not necessary.
本发明的优点是，用其相互粘搭状态易于拆解的两条粘扣带将永磁体连同其柔性材质的兜状的封装袋一并束缚定位在非磁性容器侧壁外表面上，其附着形态的轮廓状似腰包，如此，在以磁场离析捕集剂的整个操作过程中，免除了相关分析实验操作人员用手拿捏、按压定位滑溜的永磁体这样一种紧张度较高的动作；应用本案装置，相关分析实验人员可以相对放松地进行磁性复合微粒悬浊液离析操作。The present invention has the advantages that the permanent magnet and its pocket-shaped packaging bag of flexible material are constrained and positioned on the outer surface of the side wall of the non-magnetic container by using two hook and loop fasteners that are easily disassembled in the state of sticking to each other. The outline of the shape is like a waist bag, so that during the whole operation process of separating the trapping agent with a magnetic field, the operator of the relevant analysis experiment is exempted from such a tense action as pinching and pressing the slippery permanent magnet with his hands; application With the device in this case, relevant analysis and experiment personnel can relatively relax the separation operation of the magnetic composite particle suspension.
本案装置其结构并且易于拆卸；该结构是一种方便自由组合使用的结构。The structure of the device in this case is easy to disassemble; the structure is a structure that is convenient for free combination and use.
附图说明Description of drawings
图1是本案装置结构的示意图。Fig. 1 is the schematic diagram of the device structure of this case.
图中，1、7分别是两条结构位置不同的粘扣带，2是柔性材质的永磁体封装袋，3是永磁体，4是非磁性容器，5是拉链，6是拉链的拉头，图中的左右两个箭头符号指示左右两条粘扣带相互合拢并相互粘搭的动作方向。In the figure, 1 and 7 are two hook and loop fasteners with different structural positions, 2 is a permanent magnet packaging bag made of flexible material, 3 is a permanent magnet, 4 is a non-magnetic container, 5 is a zipper, and 6 is the slider of the zipper. The two left and right arrow symbols in indicate the action direction in which the left and right hook and loop fasteners are closed and glued to each other.
具体实施方式detailed description
在图1所展示的本案实施例中，该装置其结构组件包括桶状、杯状或瓶状的非磁性容器4，所述非磁性容器4其材质是玻璃、陶瓷、塑料或不锈钢，以及，板状、块状、条状、圆片状、圆柱状、饼状或环状的永磁体3，该永磁体3是钕铁硼永磁体或硬磁铁氧体永磁体，重点是，该装置的结构还包括柔性材质的永磁体封装袋2，该永磁体封装袋2是袋状物或兜状物，该永磁体封装袋2上开设有用于向该永磁体封装袋2内部填塞永磁体3的袋口，所述永磁体3是填塞装设在该永磁体封装袋2的内部，以及，两条粘扣带，该两条粘扣带分别是粘扣带1和粘扣带7，该永磁体封装袋2的两侧分别与粘扣带1以及粘扣带7连接，粘扣带1以及粘扣带7均是以各自的一个端头与永磁体封装袋2进行连接，粘扣带1和粘扣带7的其余部分似两臂般环绕合抱在所述非磁性容器4的侧壁外表面上，粘扣带1和粘扣带7并且相互粘搭，所述粘扣带又名钩毛搭扣带，相互粘搭的粘扣带1和粘扣带7其拖拽力量致使所述永磁体封装袋2紧贴在该非磁性容器4的侧壁外表面上，粘扣带1和粘扣带7的功能之一是将所述永磁体封装袋2连同其内容物约束定位在该非磁性容器4的侧壁外表面上，粘扣带1和粘扣带7的功能之二是赋予该装置结构拆装两便的机动性能，环绕地贴附装设在所述非磁性容器4侧壁外表面上的粘扣带1与粘扣带7连同与粘扣带1以及粘扣带7结合在一起的所述永磁体封装袋2其整体轮廓状似腰包，该永磁体封装袋2连同它的内容物能够随着所述粘搭其状态的解除而与粘扣带1以及粘扣带7一起被一并从非磁性容器4侧壁外表面上移除。In the embodiment of the present case shown in Fig. 1, its structural components of the device include a barrel-shaped, cup-shaped or bottle-shaped non-magnetic container 4, and the material of the non-magnetic container 4 is glass, pottery, plastic or stainless steel, and, A plate-shaped, block-shaped, strip-shaped, disc-shaped, cylindrical, cake-shaped or ring-shaped permanent magnet 3, the permanent magnet 3 is an NdFeB permanent magnet or a hard ferrite permanent magnet. The point is that the device The structure also includes a permanent magnet packaging bag 2 of flexible material, the permanent magnet packaging bag 2 is a bag or a pocket, and the permanent magnet packaging bag 2 is provided with a hole for filling the permanent magnet 3 inside the permanent magnet packaging bag 2. The mouth of the pocket, the permanent magnet 3 is stuffed and installed inside the permanent magnet packaging bag 2, and two Velcro strips, the two Velcro strips are respectively Velcro 1 and Velcro 7, the permanent magnet Both sides of the magnet packaging bag 2 are respectively connected with the Velcro 1 and the Velcro 7, and the Velcro 1 and the Velcro 7 are connected with the permanent magnet packaging bag 2 by one end respectively, and the Velcro 1 And the rest of the Velcro 7 surrounds and embraces the outer surface of the side wall of the non-magnetic container 4 like two arms, and the Velcro 1 and the Velcro 7 stick to each other. The Velcro has another name called a hook Velcro, the dragging force of the Velcro 1 and the Velcro 7 that stick to each other causes the permanent magnet packaging bag 2 to be close to the outer surface of the side wall of the non-magnetic container 4, the Velcro 1 and the Velcro 7 One of the functions of the Velcro 7 is to constrain the permanent magnet packaging bag 2 together with its contents on the outer surface of the side wall of the non-magnetic container 4, and the second function of the Velcro 1 and the Velcro 7 is Endow the device structure with easy disassembly and assembly mobility, and attach the Velcro 1 and the Velcro 7 on the outer surface of the side wall of the non-magnetic container 4 together with the Velcro 1 and the Velcro around. 7. The overall profile of the combined permanent magnet packaging bag 2 is like a waist bag. The permanent magnet packaging bag 2 together with its contents can be connected with the Velcro tape 1 and the Velcro fastener along with the release of the state of bonding. The strips 7 are removed together from the outer surface of the side wall of the non-magnetic container 4 .
这是一种易于拆解的装置结构。This is a device structure that is easy to disassemble.
所涉柔性材质一词其本身的技术含义是公知的。The technical meaning of the term flexible material in question is known in itself.
所述粘扣带市场有售。The hook and loop fasteners are available in the market.
实施所涉粘扣带优选具有松紧弹性的松紧粘扣带。松紧粘扣带市场有售。The hook and loop fastener involved in the implementation is preferably an elastic and elastic hook and loop fastener. Elastic hook and loop straps are commercially available.
所述永磁体3可以是所列举的任何一种形状的永磁体，其磁化方向可以是任何选定的磁化方向，其材质可以是钕铁硼永磁体或硬磁铁氧体永磁体中的任何一种。The permanent magnet 3 can be a permanent magnet of any shape listed, its magnetization direction can be any selected magnetization direction, and its material can be any one of NdFeB permanent magnets or hard ferrite permanent magnets. kind.
所述非磁性容器1可以是所列举的任何一种材质的非磁性容器，所述非磁性容器1可以是所列举的任何一种形状的非磁性容器，但是，优选的该非磁性容器1是玻璃烧杯。图例中展示的非磁性容器即时玻璃烧杯；玻璃烧杯仅是一例而已。The non-magnetic container 1 can be a non-magnetic container of any material listed, and the non-magnetic container 1 can be a non-magnetic container of any shape listed, but the non-magnetic container 1 is preferably glass beaker. Non-magnetic container Instant glass beaker shown in illustration; glass beaker is an example only.
实施之中，还可以在该永磁体封装袋2的朝向非磁性容器1的那个面上贴附装设橡胶膜或涂装弹性涂料层，该橡胶膜或弹性涂料层的的厚度介于0.5毫米与3.0毫米之间，该厚度范围内的任何选定厚度值都是本案允许的厚度实施值，该橡胶膜或弹性涂料层的功能是增加摩擦阻力并藉此遏制永磁体封装袋2其滑动移位。During implementation, a rubber film or an elastic coating layer can also be installed on the surface of the permanent magnet packaging bag 2 facing the non-magnetic container 1, and the thickness of the rubber film or elastic coating layer is between 0.5 mm. Between and 3.0 millimeters, any selected thickness value in this thickness range is the thickness implementation value that this case allows, and the function of this rubber film or elastic coating layer is to increase frictional resistance and thereby curb its sliding movement of permanent magnet packaging bag 2 bit.
所涉橡胶膜以及弹性涂料等材料市场有售。Materials such as rubber membranes involved and elastic coatings are available on the market.
图例中没有展示该橡胶层或弹性涂料层。This layer of rubber or elastomeric paint is not shown in the legend.
所述永磁体封装袋可以利用任何选定的柔性材料通过缝纫、粘接、拼接等工艺制成。The permanent magnet packaging bag can be made of any selected flexible material through sewing, bonding, splicing and other processes.
永磁体封装袋2的袋口可以采取多种方式进行封闭，所述封闭方式例如：拉链封闭方式、粘搭封闭方式或搭扣封闭方式。图例中显示的是拉链封闭方式，这仅是一例；所述袋口的封闭方式不限于此；所述袋口的其它封闭方式没有以图例进行展示。The mouth of the permanent magnet packaging bag 2 can be closed in various ways, such as zipper closure, adhesive closure or buckle closure. The zipper closure shown in the illustration is just an example; the closure of the pocket is not limited thereto; other closures of the pocket are not shown in the illustration.
本案装置当然也适用于化学实验室内实验用磁性复合微粒材料其本身的小量制备程序，也适于该情形下的磁性复合微粒悬浊液的离析操作。The device of this case is of course also applicable to the small-scale preparation procedure of the magnetic composite particle material itself for experiments in the chemical laboratory, and is also suitable for the isolation operation of the magnetic composite particle suspension in this case.
本案的具体实施不限于本案附图图例。The concrete implementation of this case is not limited to this case accompanying drawing legend.
Claims (4)
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